import matplotlib.pyplot as plt
import seaborn as sns
import pandas as pd

date = {'Category':['A', 'B', 'C', 'D', 'E'],
        'Value':[5, 6, 8, 2, 4]}
df = pd.DataFrame(date)

sns.set_theme(style="white")
plt.title("Test")
sns.barplot(x = 'Category', y = 'Value', data=df)
plt.tight_layout()
plt.show()